|
| US4025159 | 17 Feb 1976 | 24 May 1977 | Minnesota Mining and Manufacturing Company | Cellular retroreflective sheeting |
| US4070095 | 2 Feb 1976 | 24 Jan 1978 | ITL Industries, Inc. | Pavement marker and reflector assembly |
| US4208090 | 22 Dec 1976 | 17 Jun 1980 | Amerace Corporation | Reflector structure |
| US4224002 | 4 Aug 1978 | 23 Sep 1980 | Amerace Corporation | Highway delineator |
| US4243618 | 23 Oct 1978 | 6 Jan 1981 | Avery International Corporation | Method for forming retroreflective sheeting |
| US4498733 | 2 Jul 1982 | 12 Feb 1985 | Amerace Corporation | Reflector structure |
| US4555161 | 16 Feb 1984 | 26 Nov 1985 | Reflexite Corporation | Encapsulated retroreflective material and method of making same |
| US4618518 | 20 Jun 1985 | 21 Oct 1986 | Amerace Corporation | Retroreflective sheeting and methods for making same |
| US4681402 | 2 Oct 1985 | 21 Jul 1987 | | Rainbow projector |
| US4703999 | 16 Jun 1986 | 3 Nov 1987 | Minnesota Mining and Manufacturing Company | Wide-angle-reflective cube-corner retroreflective sheeting |
| US4875798 | 30 Jun 1988 | 24 Oct 1989 | Minnesota Mining and Manufacturing Company | Retroreflective pavement marker |
| US4921319 | 23 Jan 1989 | 1 May 1990 | American Bank Note Holographics, Inc. | Surface relief hologram structure with reflection from an air interface |
| US4952023 | 18 Mar 1988 | 28 Aug 1990 | Minnesota Mining and Manufacturing Company | Internally illuminated retroreflective sign |
| US5069964 | 22 Feb 1991 | 3 Dec 1991 | Minnesota Mining and Manufacturing Company | Flexible, substrate-insular retroreflective sheeting |
| US5122902 | 31 Mar 1989 | 16 Jun 1992 | Minnesota Mining and Manufacturing Company | Retroreflective articles having light-transmissive surfaces |
| US5138488 | 10 Sep 1990 | 11 Aug 1992 | Minnesota Mining and Manufacturing Company | Retroreflective material with improved angularity |
| US5189553 | 8 Jun 1992 | 23 Feb 1993 | Minnesota Mining and Manufacturing Company | Optimized construction of retroreflective articles for curved applications |
| US5229882 | 16 May 1990 | 20 Jul 1993 | Reflexite Corporation | Colored retroreflective sheeting and method of making same |
| US5264063 | 16 May 1990 | 23 Nov 1993 | Reflexite Corporation | Method for making flexible retroreflective sheet material |
| US5450235 | 20 Oct 1993 | 12 Sep 1995 | Minnesota Mining and Manufacturing Company | Flexible cube-corner retroreflective sheeting |
| US5557836 | 20 Oct 1994 | 24 Sep 1996 | Minnesota Mining and Manufacturing Company | Method of manufacturing a cube corner article |
| US5564870 | 20 Oct 1994 | 15 Oct 1996 | Minnesota Mining and Manufacturing Company | Method of manufacturing an asymmetric cube corner article |
| US5585164 | 20 Oct 1993 | 17 Dec 1996 | Minnesota Mining and Manufacturing Company | Dual groove set retroreflective cube corner article and method of manufacture |
| US5600484 | 20 Oct 1993 | 4 Feb 1997 | Minnesota Mining and Manufacturing Company | Machining techniques for retroreflective cube corner article and method of manufacture |
| US5614286 | 20 Oct 1993 | 25 Mar 1997 | Minnesota Mining and Manufacturing Company | Conformable cube corner retroreflective sheeting |
| US5632946 | 7 Jun 1995 | 27 May 1997 | Minnesota Mining and Manufacturing Company | Methods of making a conformable cube corner retroreflective sheeting |
| US5657162 | 26 Jul 1995 | 12 Aug 1997 | Reflexite Corporation | Retroreflective articles with multiple size prisms in multiple locations |
| US5667335 | 19 May 1995 | 16 Sep 1997 | Minnesota Mining and Manufacturing Commpany | Fiber reinforced raised pavement marker and method of making |
| US5677050 | 19 May 1995 | 14 Oct 1997 | Minnesota Mining and Manufacturing Company | Retroreflective sheeting having an abrasion resistant ceramer coating |
| US5691846 | 7 Jun 1995 | 25 Nov 1997 | Minnesota Mining and Manufacturing Company | Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture |
| US5706132 | 19 Jan 1996 | 6 Jan 1998 | Minnesota Mining and Manufacturing Company | Dual orientation retroreflective sheeting |
| US5721640 | 19 Apr 1996 | 24 Feb 1998 | Minnesota Mining and Manufacturing Company | Multiple structure cube corner article and method of manufacture |
| US5734501 | 1 Nov 1996 | 31 Mar 1998 | Minnesota Mining and Manufacturing Company | Highly canted retroreflective cube corner article |
| US5754338 | 8 Nov 1996 | 19 May 1998 | Minnesota Mining and Manufacturing Company | Structured retroreflective sheeting having a rivet-like connection |
| US5759468 | 3 Oct 1996 | 2 Jun 1998 | Minnesota Mining and Manufacturing Company | Raised zone retroreflective cube corner article and method of manufacture |
| US5763049 | 30 Apr 1996 | 9 Jun 1998 | Minnesota Mining and Manufacturing Company | Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same |
| US5764413 | 6 Jun 1996 | 9 Jun 1998 | Minnesota Mining and Manufacturing Company | Tiled retroreflective sheeting |
| US5770124 | 30 Apr 1996 | 23 Jun 1998 | Minnesota Mining and Manufacturing Company | Method of making glittering cube-corner retroreflective sheeting |
| US5784197 | 1 Apr 1996 | 21 Jul 1998 | Minnesota Mining and Manufacturing Company | Ultra-flexible retroreflective sheeting with coated back surface |
| US5812315 | 6 Jun 1996 | 22 Sep 1998 | Minnesota Mining and Manufacturing Company | Cube corner articles exhibiting improved entrance angularity in one or more planes |
| US5814355 | 30 Apr 1996 | 29 Sep 1998 | Minnesota Mining and Manufacturing Company | Mold for producing glittering cube-corner retroreflective sheeting |
| US5822121 | 6 Jun 1996 | 13 Oct 1998 | Minnesota Mining and Manufacturing Company | Retroreflective cube corner article having scalene base triangles |
| US5831767 | 6 Jun 1996 | 3 Nov 1998 | Minnesota Mining and Manufacturing Company | Asymmetric cube corner article |
| US5840405 | 30 Apr 1996 | 24 Nov 1998 | Minnesota Mining and Manufacturing Company | Glittering cube-corner retroreflective sheeting |
| US5910858 | 1 Apr 1996 | 8 Jun 1999 | Minnesota Mining and Manufacturing Company | Retroreflective sheeting with coated back surface |
| US5914812 | 8 Aug 1997 | 22 Jun 1999 | Minnesota Mining and Manufacturing Company | Directly machined raised structure retroreflective cube corner article and method of manufacture |
| US5914813 | 13 Nov 1997 | 22 Jun 1999 | 3M Innovative Properties Company | Multiple structure cube corner article |
| US5926314 | 17 Jul 1998 | 20 Jul 1999 | Minnesota Mining and Manufacturing Company | Retroreflective cube corner article having scalene base triangles |
| US5930041 | 24 Jul 1998 | 27 Jul 1999 | Stimsonite Corporation | Method of producing cellular retroreflective sheeting |
| US5936770 | 2 Jul 1997 | 10 Aug 1999 | 3M Innovative Properties Company | Dual orientation retroreflective sheeting |
| US5946134 | 22 Sep 1997 | 31 Aug 1999 | Minnesota Mining & Manufacturing Company | Raised structure retroreflective article |
| US5959774 | 19 Jan 1999 | 28 Sep 1999 | 3M Innovative Properties Company | Raised structure retroreflective article |
| US5962108 | 2 May 1995 | 5 Oct 1999 | Minnesota Mining and Manufacturing Company | Retroreflective polymer coated flexible fabric material and method of manufacture |
| US5988820 | 14 Mar 1997 | 23 Nov 1999 | 3M Innovative Properties Company | Flexible cube-corner retroreflective sheeting |
| US6021559 | 1 Nov 1996 | 8 Feb 2000 | 3M Innovative Properties Company | Methods of making a cube corner article master mold |
| US6080340 | 24 Sep 1996 | 27 Jun 2000 | 3M Innovative Properties Company | Machining techniques for retroreflective cube corner article and method of manufacture |
| US6126360 | 26 Nov 1996 | 3 Oct 2000 | 3M Innovative Properties Company | Raised retroreflective pavement marker |
| US6132861 | 4 May 1998 | 17 Oct 2000 | 3M Innovatives Properties Company | Retroreflective articles including a cured ceramer composite coating having a combination of excellent abrasion, dew and stain resistant characteristics |
| US6136416 | 11 May 1998 | 24 Oct 2000 | 3M Innovative Properties Company | Raised zone retroreflective cube corner article |
| US6139158 | 12 Aug 1997 | 31 Oct 2000 | Reflexite Corporation | Retroreflective articles with multiple size prisms in multiple locations |
| US6166856 | 15 Jun 1998 | 26 Dec 2000 | 3M Innovative Properties Company | Self light-emitting retroreflective sheet and method for producing the same |
| US6168275 | 21 Oct 1999 | 2 Jan 2001 | 3M Innovative Properties Company | Retroreflective cube corner article |
| US6224792 | 13 Apr 1999 | 1 May 2001 | 3M Innovative Properties Company | Cutting and edge sealing cellular retroreflective sheeting |
| US6245833 | 3 Sep 1999 | 12 Jun 2001 | 3M Innovative Properties | Ceramer composition incorporating fluoro/silane component and having abrasion and stain resistant characteristics |
| US6253477 | 23 Sep 1998 | 3 Jul 2001 | Hallmark Technologies, Inc. | Retro-reflective sign |
| US6265061 | 3 Sep 1999 | 24 Jul 2001 | 3M Innovative Properties Company | Retroflective articles including a cured ceramer composite coating having abrasion and stain resistant characteristics |
| US6277470 | 28 Dec 1999 | 21 Aug 2001 | 3M Innovative Properties Company | Method of forming cube corner geometric structures in a substrate using both replicating and machining processes |
| US6318867 | 24 May 2000 | 20 Nov 2001 | 3M Innovative Properties Company | Conformable cube corner retroreflective sheeting |
| US6350035 | 16 Aug 1995 | 26 Feb 2002 | 3M Innovative Properties Company | Flexible cube-corner retroreflective sheeting |
| US6352758 | 4 May 1998 | 5 Mar 2002 | 3M Innovative Properties Company | Patterned article having alternating hydrophilic and hydrophobic surface regions |
| US6376576 | 8 Dec 2000 | 23 Apr 2002 | 3M Innovative Properties Company | Ceramer composition incorporating fluoro/silane component and having abrasion and stain resistant characteristics |
| US6413615 | 15 Jun 2001 | 2 Jul 2002 | 3M Innovative Properties Company | Cube corner geometric structures in a substrate formed by both replicating and machining processes |
| US6470610 | 29 May 1998 | 29 Oct 2002 | 3M Innovative Properties Company | Prefabricated retroreflective sign |
| US6508559 | 30 Jul 2001 | 21 Jan 2003 | 3M Innovative Properties Company | Conformable cube corner retroreflective sheeting |
| US6645331 | 11 Sep 2002 | 11 Nov 2003 | 3M Innovative Properties Company | Prefabricated retroreflective sign |
| US6656307 | 24 Nov 1999 | 2 Dec 2003 | 3M Innovative Properties Company | Method of making signs having metalized cube corner sheeting |
| US6877866 | 19 Aug 2002 | 12 Apr 2005 | Reflexite Corporation | Multi-orientation retroreflective structure |
| US6958179 | 18 Dec 2000 | 25 Oct 2005 | 3M Innovative Properties Company | Segmented sheeting and methods of making and using same |
| US7025847 | 26 Jun 2003 | 11 Apr 2006 | 3M Innovative Properties Company | Segmented sheeting and methods of making and using same |
| US7185993 | 4 Jan 2002 | 6 Mar 2007 | 3M Innovative Properties Company | Flexible cube-corner retroflective sheeting |
| US7251079 | 4 Jan 2006 | 31 Jul 2007 | General Electric Company | Brightness enhancement film, and methods of making and using the same |
| US7341784 | 10 Sep 2004 | 11 Mar 2008 | General Electric Company | Light management film and its preparation and use |
| US7384161 | 26 Mar 2007 | 10 Jun 2008 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| US7561323 | 17 Jun 2005 | 14 Jul 2009 | IDC, LLC | Optical films for directing light towards active areas of displays |
| US7562991 | 31 Oct 2007 | 21 Jul 2009 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| US7568807 | 20 Sep 2006 | 4 Aug 2009 | 3M Innovative Properties Company | Flexible cube-corner retroreflective sheeting |
| US7603001 | 17 Feb 2006 | 13 Oct 2009 | QUALCOMM MEMS Technologies, Inc. | Method and apparatus for providing back-lighting in an interferometric modulator display device |
| US7706050 | 5 Mar 2004 | 27 Apr 2010 | QUALCOMM MEMS Technologies, Inc. | Integrated modulator illumination |
| US7712904 | 22 Jul 2008 | 11 May 2010 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| US7719747 | 25 Feb 2008 | 18 May 2010 | Qualcomm Mems Technologies, Inc. | Method and post structures for interferometric modulation |
| US7733439 | 30 Apr 2007 | 8 Jun 2010 | QUALCOMM MEMS Technologies, Inc. | Dual film light guide for illuminating displays |
| US7750886 | 22 Jul 2005 | 6 Jul 2010 | QUALCOMM MEMS Technologies, Inc. | Methods and devices for lighting displays |
| US7766498 | 21 Jun 2006 | 3 Aug 2010 | QUALCOMM MEMS Technologies, Inc. | Linear solid state illuminator |
| US7777954 | 30 Jan 2007 | 17 Aug 2010 | QUALCOMM MEMS Technologies, Inc. | Systems and methods of providing a light guiding layer |
| US7845841 | 28 Aug 2006 | 7 Dec 2010 | QUALCOMM MEMS Technologies, Inc. | Angle sweeping holographic illuminator |
| US7855827 | 6 Oct 2006 | 21 Dec 2010 | QUALCOMM MEMS Technologies, Inc. | Internal optical isolation structure for integrated front or back lighting |
| US7864395 | 27 Oct 2006 | 4 Jan 2011 | QUALCOMM MEMS Technologies, Inc. | Light guide including optical scattering elements and a method of manufacture |
| US7880954 | 3 May 2006 | 1 Feb 2011 | QUALCOMM MEMS Technologies, Inc. | Integrated modulator illumination |
| US7907319 | 12 May 2006 | 15 Mar 2011 | QUALCOMM MEMS Technologies, Inc. | Method and device for modulating light with optical compensation |
| US7949213 | 7 Dec 2007 | 24 May 2011 | QUALCOMM MEMS Technologies, Inc. | Light illumination of displays with front light guide and coupling elements |
| US8015620 | 3 Sep 2009 | 13 Sep 2011 | 3M Innovative Properties Company | Vapor permeable retroreflective garment |
| US8040588 | 25 Feb 2008 | 18 Oct 2011 | QUALCOMM MEMS Technologies, Inc. | System and method of illuminating interferometric modulators using backlighting |
| US8040589 | 11 Feb 2009 | 18 Oct 2011 | QUALCOMM MEMS Technologies, Inc. | Devices and methods for enhancing brightness of displays using angle conversion layers |
| US8049951 | 14 Apr 2009 | 1 Nov 2011 | QUALCOMM MEMS Technologies, Inc. | Light with bi-directional propagation |
| US8061882 | 1 Apr 2009 | 22 Nov 2011 | QUALCOMM MEMS Technologies, Inc. | Illumination device with built-in light coupler |
| US8107155 | 6 Oct 2006 | 31 Jan 2012 | Qualcomm MEMS Technologies, Inc. | System and method for reducing visual artifacts in displays |
| US8172417 | 6 Mar 2009 | 8 May 2012 | QUALCOMM MEMS Technologies, Inc. | Shaped frontlight reflector for use with display |
| US8224189 | 2 Feb 2007 | 17 Jul 2012 | Sunlight Photonics Inc. | Retro-directive target for free-space optical communication and method of producing the same |
| USD383312 | 19 Jan 1996 | 9 Sep 1997 | Minnesota Mining and Manufacturing Company | Seal pattern on retroreflective sheeting |
| USD397555 | 19 Jan 1996 | 1 Sep 1998 | Minnesota Mining and Manufacturing Company | Striped surface pattern for retroreflective sheeting |
| USD422932 | 23 Apr 1999 | 18 Apr 2000 | 3M Innovative Properties Company | Pavement marker |
| USD587908 | 2 Aug 2006 | 10 Mar 2009 | 3M Innovative Properties Company | Retroreflective article |
| USD587909 | 2 Aug 2006 | 10 Mar 2009 | 3M Innovative Properties Company | Retroreflective article |
| USD594664 | 2 Aug 2006 | 23 Jun 2009 | 3M Innovative Properties Company | Retroreflective article |